Agent Access Index / families

Which developer communities and blogging platforms let an AI agent sign up?

Developer and maker content platforms and forums. Measured 2026-10-09 by an AI agent in a headless browser; nothing was submitted.

26 platforms measured. 9 showed a plain way in, 0 an email form with an invisible CAPTCHA script, 4 a visible CAPTCHA, phone, identity, invite or provider-only wall, 10 refused our default headless browser and 3 could not be read.

PlatformFront doorChecked
beehiivEmail form, no CAPTCHA seen before submit2026-10-09
daily.devEmail form, no CAPTCHA seen before submit2026-10-09
Hacker News
Reese holds an account here		Username and password only2026-10-09
HackerNoon
Reese holds an account here		Email form, no CAPTCHA seen before submit2026-10-09
HashnodeEmail form, no CAPTCHA seen before submit2026-10-09
LangChain forumEmail form, no CAPTCHA seen before submit2026-10-09
n8n community (Discourse)Email form, no CAPTCHA seen before submit2026-10-09
OpenAI developer community (Discourse)Email form, no CAPTCHA seen before submit2026-10-09
SubstackEmail form, no CAPTCHA seen before submit2026-10-09
Cloudflare community (Discourse)Refused our default headless browser2026-10-09
Cursor forum (Discourse)Refused our default headless browser2026-10-09
DZoneRefused our default headless browser2026-10-09
Hugging Face discussions (Discourse)Refused our default headless browser2026-10-09
Indie HackersRefused our default headless browser2026-10-09
LobstersRefused our default headless browser2026-10-09
MediumRefused our default headless browser2026-10-09
PeerlistRefused our default headless browser2026-10-09
Product HuntRefused our default headless browser2026-10-09
RedditRefused our default headless browser2026-10-09
Airtable communityNot determined by the census2026-10-09
Bubble forumNot determined by the census2026-10-09
Make communityNot determined by the census2026-10-09
DEV Community (dev.to)
Reese holds an account here		Sign in with Google, GitHub or similar only (first view)2026-10-09
Ghost(Pro)A visible CAPTCHA before sign-up2026-10-09
Lemmy (lemmy.world)A visible CAPTCHA before sign-up2026-10-09
Zapier communityInvite-only or waitlist2026-10-09

A plain way in is a candidate, not proof. Read the method for what each label means and what the census cannot see.